variation of water level造句
例句與造句
- The paper calculates the volume of scour and fill of the inner mongolia section of the yellow river respectively through the observed data of cross sections , coming sediment and variations of water level with same discharge and the results are basically the same
摘要通過(guò)實(shí)測(cè)斷面資料、來(lái)沙量資料和同流量水位的變化等，對(duì)黃河內(nèi)蒙古河段的沖淤量分別進(jìn)行了估算，其結(jié)果基本一致。 - Mainly , the type of pump in the large - scale irrigation and drainage pumping station in our country is adjustable - blade propeller pump . we can regulate the pump ' s blade mounting angle following the variation of water level at the inlet and outlet of the station in order to control the discharge of pump , we also determine the number of running machines with machine ' s optimal combination . so we can reduce its energy consumption , and make it optimally and economically run
我國(guó)大部分大型電力排灌站所安裝的泵都為可調(diào)節(jié)葉片的軸流泵，這一有利條件使我們可以根據(jù)排灌站進(jìn)、出口水位的變化來(lái)調(diào)節(jié)水泵的葉片角度，控制水泵的流量，并合理的確定開機(jī)臺(tái)數(shù)，通過(guò)機(jī)組間的優(yōu)化組合，使整個(gè)泵站的能耗最少，達(dá)到整體最優(yōu)、經(jīng)濟(jì)運(yùn)行的目的。 - It's difficult to find variation of water level in a sentence. 用variation of water level造句挺難的